a. Find p​, the point estimate of p.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A poll was conducted on a representative sample of
600
adults living in the United States in order to investigate the decline in cable and satellite TV subscriptions. For this​ sample,
150
adults revealed that they are​ "cord cutters,"​ (that is, they canceled their​ cable/satellite TV service and now only use a video streaming​ service). You want to estimate​ p, the true proportion of all US adults who are​ "cord cutters." Complete parts a through e.
 
 
 

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Part 1
a. Find
p​,
the point estimate of p.
 
enter your response here

 

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Follow-up Question
Find a
95​%
confidence interval for p.
 
enter your response here,enter your response here
​(Round to three decimal places as​ needed.)

 

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Follow-up Question
Describe the sampling distribution of
p.
Select the correct choice below and fill in the answer​ box(es) within your choice.
 
 
A.
Approximately exponential with mean
enter your response here
and standard deviation enter your response here
 
B.
Approximately normal for large samples with mean
enter your response here
and standard deviation enter your response here
​(Round to four decimal places as​ needed.)
 
C.
Approximately a​ t-distribution with mean
enter your response here​,
standard deviation
enter your response here​,
and
enter your response here
degrees of freedom
​(Type integers or decimals rounded to four decimal places as​ needed.)
 
D.
Approximately Poisson with
λ=enter your response here
​(Round to four decimal places as​ needed.)
 
E.
Approximately uniform with mean
enter your response here
and standard deviation enter your response here

 

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